/Engine/Source/Editor/CurveEditor/Public/CurveEditor.h
void GetChildCurveModelIDs ( const [FCurveEditorTreeItemID](API\Editor\CurveEditor\FCurveEditorTreeItemID) TreeItemID, [TSet](API\Runtime\Core\Containers\TSet)< [FCurveModelID](API\Editor\CurveEditor\FCurveModelID) > & CurveModelIDs ) const